GATE BT 2015 | Question: 47

Question

Match the reagents in $\text{Group I}$ with their preferred cleavage sites in $\text{Group II}$.

$\begin{array}{|l|l|l|l|} \hline & \text{Group I} &&  \text{Group II} \\ \hline P. & \text{Cyanogen bromide} & 1. & \text{Carboxyl side of methionine} \\ \hline Q. & o \text{-Iodosobenzoate} &  2. & \text{Amino side of methionine} \\ \hline R. & \text{Hydroxylamine} & 3. & \text{Carboxyl side of tryptophan} \\ \hline S. & \text{2-Nitro-5-thiocyanobenzoate} &  4. & \text{Amino side of cysteine} \\ \hline && 5. & \text{Asparagine-glycine bonds} \\ \hline \end{array}$

• A. $\text{P-1, Q-3, R-5, S-4}$
• B. $\text{P-2, Q-3, R-1, S-4}$
• C. $\text{P-1, Q-2, R-5, S-4}$
• D. $\text{P-4, Q-2, R-5, S-3}$